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[AMPS] Re: [TowerTalk] True Or Not True #2

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Subject: [AMPS] Re: [TowerTalk] True Or Not True #2
From: (Jim Reid)
Date: Thu, 6 Sep 2001 12:27:10 -1000

> Is there a chance to read a signal that produces 0 (zero) dB S/N ?
> What does it happen increasing that signal by 2 dB ?
> Is it detectable a 2 dB S/N ?
> Two divided by zero is equal to ?

You do not divide dB,  you add or subtract them.  dB's are
logarithms or ratios of powers.  Zero dB is equal to unity
power ratio,  or no change in power.  A zero dB s/n means
both are equal in power level at whatever level they happen
to be.

73,  Jim  KH7M

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